Serena latest Wimbledon victim

Serena Williams of the United States reacts during her match against Sabine Lisicki of Germany in a Women's singles at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Alastair Grant)

Serena Williams of the United States reacts as she plays Sabine Lisicki of Germany in a Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Alastair Grant)

Sabine Lisicki of Germany celebrates after beating Serena Williams of the United States in a Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Alastair Grant)

Sabine Lisicki of Germany reacts after beating Serena Williams of the United States in a Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Alastair Grant)

Serena Williams of the United States returns to Sabine Lisicki of Germany during a Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Alastair Grant)

Sabine Lisicki of Germany greets Serena Williams of the United States at the net after winning their Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Alastair Grant)

Serena Williams of the United States follows through on a return during her Women's singles match against Sabine Lisicki of Germany at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Alastair Grant)

Serena Williams of the United States returns to Sabine Lisicki of Germany in a Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Alastair Grant)

Mikhail Youzhny of Russia slips during a Men's singles match against Andy Murray of Britain at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Kirsty Wigglesworth)

Tommy Haas of Germany reacts as he walks off the court after losing to Novak Djokovic of Serbia during a Men's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Anja Niedringhaus)

Novak Djokovic of Serbia reacts after defeating Tommy Haas of Germany during a Men's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Alastair Grant)

Novak Djokovic of Serbia reacts after defeating Tommy Haas of Germany during a Men's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Anja Niedringhaus)

Sloane Stephens of the United States returns to Monica Puig of Puerto Rico during their Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Kirsty Wigglesworth)

Sloane Stephens of the United States reacts as she plays Monica Puig of Puerto Rico during their Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Kirsty Wigglesworth)

Andy Murray of Britain plays a return to Mikhail Youzhny of Russia during a Men's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Kirsty Wigglesworth)

Agnieszka Radwanska of Poland returns to Tsvetana Pironkova of Bulgaria during their Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Anja Niedringhaus)

Ivan Dodig of Croatia slips after returning to David Ferrer of Spain in their Men's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Anja Niedringhaus)

Jerzy Janowicz of Poland returns to Jurgen Melzer of Austria during their Men's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Anja Niedringhaus)

Petra Kvitova of the Czech Republic returns to Carla Suarez Navarro of Spain in a Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Kirsty Wigglesworth)